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| Phone | Samsung SGH-X640 | Coolpad Quattro 4G |
| Current U.S. Carriers | (none) | (none) |
| Global Availability | Released | Released |
| Specifications | ||
|---|---|---|
| Display Size | ? |
4" diag. 5 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz |
| Battery | 800 mAh | 1,600 mAh |
| Processor | ? | ? |
| RAM | ? | ? |
| Storage | ? raw hardware | 512 MB |
| Main Camera | Yes | 3 megapixel |
| Wide Camera | - | - |
| Tele Camera | - | - |
| Video Capture | - | VGA (640 x 480) |
| Front Camera | - | Yes |
| Weight |
3 oz (85g) |
3.31 oz (94g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.96" x 2.6" x 0.51" (126 x 66 x 13 mm) |
| Form Factor | Clamshell | Slab |
| Platform / OS | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
| Data Technology | GPRS | LTE (Cat 3) |
| Features | ||
| GPS / Location | - | n/a |
| Accessibility | ||
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a |
| TTY/TDD (Digital) | - | Yes |
| Connectivity | ||
| Bluetooth | - | Yes |
| Mobile Hotspot | - | n/a |
| USB | - | Yes |
| Wi-Fi | - | Yes |
| Contacts | ||
| Picture ID | Yes | n/a |
| Ringer ID | Yes | n/a |
| Voice Dialing | - | n/a |
| Customization | ||
| Custom Graphics | Yes | n/a |
| Custom Ringtones | Yes | n/a |
| Real-Music Ringers | - | n/a |
| Data & Network | ||
| Data Tethering | - | n/a |
| WAP / Web Browser | Yes | n/a |
| Input | ||
| Predictive Text Entry | Yes | n/a |
| Side Keys | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
| Memory | ||
| Memory Card Slot | - | Yes |
| Messaging | ||
| Email Client | - | n/a |
| EMS / Picture Messaging | Yes | n/a |
| Instant Messaging | - | n/a |
| MMS | Yes | n/a |
| Text Messaging Templates | Yes | n/a |
| Music | ||
| Headphone Jack (3.5mm) | - | Yes |
| Music Player | - | n/a |
| Productivity | ||
| Alarm | Yes | n/a |
| Calculator | Yes | n/a |
| Calendar | Yes | n/a |
| To-Do List | Yes | n/a |
| Voice Memo | Yes | n/a |
| Software | ||
| Games | Yes | n/a |
| Java (J2ME) | Yes | n/a |
| Voice | ||
| Headset Jack (2.5 mm) | Yes | n/a |
| Speaker Phone | Yes | Yes |
| Samsung SGH-X640 | Coolpad Quattro 4G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Coolpad Quattro 4G |
